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GeoGebra Lesson
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GeoGebra
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畫出對稱圖形
世界平面地圖 (Codex╱2026.10.07)
Nested spiral octagon
四邊形的特性
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塗色
最小周長
教學資源P1~6
圖一
等比数列计算练习
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Kite
Arithmetic Operations
Tree Diagrams
Perimeter
Geometric Transformations